Fig. 4

Association of drugs with Alzheimer’s disease (AD), vascular dementia (VaD), and depression (Dep). Six classes of drugs: antidepressants (blue), antipsychotic (violet), antianxiety (magenta), mood stabiliser (bluish grey), antiepileptic/ anticonvulsant (bright green) and dementia (red). Solid line indicates association during admission, stay and discharge, round dotted line denotes association during admission only, dashed line denotes association during hospital stay only, dash dotted line represents association between admission and stay, and dash double dotted line indicates association of number of prescriptions during admission and discharge. Note: Association among prescriptions of specific drugs during discharge with stay and admission, and association between drug prescription during hospital stay with admission are not shown in this figure, for details see (Additional files, Table S1–S18)